Description:Online news consumers often watch timeline videos, raw videos and analysis of breaking news, but by and large it's still hard to predict which types of news videos will do well, says Andrew Roy, Head of News at BBC News.
A clear pattern has not yet emerged as to the kind of news videos that consistently draw viewers.
The BBC is learning about the consumer appetite for news videos, though behind-the-scenes clips on how news is gathered are started to become popular, he adds.(2:13)